Παραπομπή σε μορφή APA (7η εκδ.)

World Wide Fund for Nature, Davis, S. D., Heywood, V. H., & Hamilton, A. C. (1994). Centres of plant diversity: A guide and strategy for their conservation. World Wide Fund for Nature (WWF) and ICUN - World Conservation Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Wide Fund for Nature, Stephen D. Davis, V. H. Heywood, και A. C. Hamilton. Centres of Plant Diversity: A Guide and Strategy for Their Conservation. Cambridge, U.K.: World Wide Fund for Nature (WWF) and ICUN - World Conservation Union, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

World Wide Fund for Nature, et al. Centres of Plant Diversity: A Guide and Strategy for Their Conservation. World Wide Fund for Nature (WWF) and ICUN - World Conservation Union, 1994.